MONGOID-4398 Synchronize driver client creation
MONGOID-4398 Synchronize driver client creation

nviennot/mongoid,kay-kim/mongoid,Welovroi/mongoid,mongodb/mongoid,jonhyman/mongoid,Sharevari-Inc/mongoid,herimedia/mongoid,kay-kim/mongoid,mongodb/mongoid,Welovroi/mongoid,mongodb/mongoid,nviennot/mongoid,Sharevari-Inc/mongoid,herimedia/mongoid,jonhyman/mongoid